8653728 has 48 divisors (see below), whose sum is σ = 22952160. Its totient is φ = 2854656.

The previous prime is 8653717. The next prime is 8653741. The reversal of 8653728 is 8273568.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10051 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (478170).

Almost surely, 2^8653728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8653728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11476080).

8653728 is an abundant number, since it is smaller than the sum of its proper divisors (14298432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8653728 is a wasteful number, since it uses less digits than its factorization.

8653728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 941 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 8653728 is about 2941.7219447120. The cubic root of 8653728 is about 205.3057345639.

The spelling of 8653728 in words is "eight million, six hundred fifty-three thousand, seven hundred twenty-eight".